Automatic feeding apparatus
CA 1138275 A · Owner: Brinkmann En Niemeyer N.V. · Inventors: Poiesz, Gerardus W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
i-, Title: An automatic feeding apparatus. Abstract of the disclosure: An apparatus for feeding livestock, provided with a housing having a head insertion opening via which the livestock may consume the food and comprising a dosing device responsive to the presence of selected specimens of the livestock for supply of food to the housing where-, by a valve is disposed adjacent the head insertion opening, the operating means of which are likewise responsive for moving i.c. opening the valve to the presence of selected specimens of the livestock while, furthermore means are present for returning i.c. closing the valve to the starting position after a predetermined period of time.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 28, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 28, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.